using System;
using System.Collections.Generic;
using System.Linq;
using MeshUtility;
using UnityEngine;


namespace UniVRM10
{
    [CreateAssetMenu(menuName = "VRM10/MetaObject")]
    public class VRM10MetaObject : ScriptableObject
    {
        [SerializeField]
        public string ExporterVersion;

        #region Info
        [SerializeField]
        public string Name;

        [SerializeField]
        public string Version;

        [SerializeField]
        public string CopyrightInformation;

        [SerializeField]
        public string[] Authors;

        [SerializeField]
        public string ContactInformation;

        [SerializeField]
        public string Reference;

        [SerializeField]
        public Texture2D Thumbnail;
        #endregion

        #region AvatarPermission
        [SerializeField, Tooltip("A person who can perform with this avatar")]
        public VrmLib.AvatarUsageType AllowedUser;

        [SerializeField, Tooltip("Violent acts using this avatar")]
        public bool ViolentUsage;

        [SerializeField, Tooltip("Sexuality acts using this avatar")]
        public bool SexualUsage;

        [SerializeField, Tooltip("For commercial use")]
        public VrmLib.CommercialUsageType CommercialUsage;

        [SerializeField]
        public bool GameUsage;

        [SerializeField]
        public bool PoliticalOrReligiousUsage;

        [SerializeField, Tooltip("Other License Url")]
        public string OtherPermissionUrl;
        #endregion

        #region Distribution License
        [SerializeField]
        public VrmLib.CreditNotationType CreditNotation;

        [SerializeField]
        public bool Redistribution;

        [SerializeField]
        public VrmLib.ModificationLicenseType ModificationLicense;

        [SerializeField]
        public string OtherLicenseUrl;
        #endregion

        public IEnumerable<Validation> Validate(GameObject _)
        {
            if (string.IsNullOrEmpty(Name))
            {
                yield return Validation.Error("Require Name. ");
            }

            if (Authors == null || Authors.Length == 0)
            {
                yield return Validation.Error("Require at leaset one Author.");
            }

            if (Authors.All(x => string.IsNullOrWhiteSpace(x)))
            {
                yield return Validation.Error("All Authors is whitespace");
            }
        }

        public void CopyTo(VRM10MetaObject dst)
        {
            dst.ExporterVersion = ExporterVersion;
            dst.Name = Name;
            dst.Version = Version;
            dst.CopyrightInformation = CopyrightInformation;
            if (Authors != null)
            {
                dst.Authors = Authors.Select(x => x).ToArray();
            }
            else
            {
                dst.Authors = new string[] { };
            }
            dst.ContactInformation = ContactInformation;
            dst.Reference = Reference;
            dst.Thumbnail = Thumbnail;
            dst.AllowedUser = AllowedUser;
            dst.ViolentUsage = ViolentUsage;
            dst.SexualUsage = SexualUsage;
            dst.CommercialUsage = CommercialUsage;
            dst.GameUsage = GameUsage;
            dst.PoliticalOrReligiousUsage = PoliticalOrReligiousUsage;
            dst.OtherPermissionUrl = OtherPermissionUrl;
            dst.CreditNotation = CreditNotation;
            dst.Redistribution = Redistribution;
            dst.ModificationLicense = ModificationLicense;
            dst.OtherLicenseUrl = OtherLicenseUrl;
        }
    }
}